查询词典 trapezoid

52 Cases of femoral intertrochanteric fracture were fixed with L-trapezoid plate,while 25 cases three cannulated lag screws with the third screw inserted at a low angle,just adjacent to medial calcar to obtain rigid fixation.

作者用切开复位，L形钢板内固定手术治疗股骨粗隆间骨折52例，用闭合复位三枚空心拉力螺钉经皮内固定治疗25例，其中第三枚螺丝钉紧贴内侧股骨矩，低角度打入。

Steel Truss.It is the load-bearing part in the roof structure. It can be triangle, trapezoid, shuttle and three-hinged. Angle bar steel, thin steel sheet, round bar and square bar can be used to manufacture it.

桁架：桁架是屋盖结构中主要承重构件，桁架的形式有三角形，梯形，梭形，三铰捞等，可采用角钢薄壁型钢，园管，方管等来制作。

This method was applied to the dimensionality reduction of multidimensional time series via projection pursuit technique for fuzzy clustering. According to the results of the classification and the extraction of fuzzy rules through best value projection, three types of fuzzy membership function were generated using trapezoid distribution method. Then the sample's credit level was determined according to the fuzzy approximability in computation.

该方法利用投影寻踪技术对多维时间序列数据进行降维处理并进行模糊分类；根据分类结果和最佳投影值提取模糊规则，采用梯形分布法生成三个模糊隶属函数；最后根据计算模糊贴近度确定样本的信用级别。

Software reliability is one of the most important quality characteristics. The definition of software assessment is discussed, the mechanism of software failures is described, 2 software reliability assessment methods based on triangular fuzzy number arithmetic operations and trapezoid fuzzy number arithmetic operations respectively are proposed, and some examples to use these methods are given.

软件可靠性是航天型号软件的重要质量特性之一，本文阐述了软件可靠性评估的定义，讨论了软件的失效机理，提出了基于三角形模糊数算术运算和基于梯形模糊数算术运算的软件可靠性评估方法，并给出了使用这些方法的示例。

Adaptive trapezoid formula to calculate body shape of the various formulas, automatic variable step size adaptation.

详细说明：自适应梯形公式，计算体形的各种公式，可变步长自动适应的。

Calculation method of a reinforced concrete isosceles trapezoid slab is experiential arithmetic with which the isosceles trapezoid slab is simplified into an equivalent rectangled slab.

计算钢筋混凝土周边固支等腰梯形板通常是用经验算法即是把钢筋混凝土等腰梯形板简化成当量矩形板进行计算。

The trapezoid tridimensional structure caps are the key parts of Combined Trapezoid Spary Tray, which enlarge the area of gas-liquid mass transfer.

立体传质塔板以梯形立体结构的帽罩为单元，将气液两相流动和传质从塔板上延伸至大部分塔板空间。

This condition will be met if the inner steerable wheel turns through a larger angle than the outer one which is accomplished by the trapezoid-shaped steering linkage whose bases are the tie rod and the front axle, while the sides are the knuckle arms.

这种情况将会遇到的内在驱动轮转动角度通过一个大，比外trapezoid-shaped转向系统实现的基础是拉杆、前桥，而双方的指关节武器。

The ADAMS software and kinematics theory are applied to design the hydraulic steering mechanism of the SGA3550 track, with bottom angle of steering trapezoid and the trapezoid arm length as design parameters, minimum error between theoretical steering angle and practical one as objective function.

利用动力学分析软件ADAMS，从汽车转向运动学出发，对SGA3550自卸式汽车全液压转向机构进行设计。以汽车转向时实际转角与理论转角的误差最小为目标函数，以转向梯形底角和梯形臂长为设计参数，对转向机构进行了优化设计。

A robust mathematical design model based on the response surface method was established for steering trapezoid mechanism. In the model, movement precision during steering course was chosen as the objective function; kingpins distance, axles distance, trapezoid mechanism's bottom angle and steering arm length were defined as the design variables; minimum transmission angle and maximum angle error were considered as the restraint condition.

对于转向梯形机构，以转向过程的运动精度为目标函数，以主销中心距、轴距、转向梯形底角和转向梯形臂长度四个参数作为设计变量，以最小传动角及最大角度误差作为约束，建立了基于响应面方法的稳健设计数学模型。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。